Medical Xpress October 15, 2025
The U.S. Food and Drug Administration (FDA) has cleared another blood test that could help doctors identify whether a patient’s memory problems are likely caused by Alzheimer’s disease.
The new test, called Elecsys pTau181, was developed by Roche Diagnostics in partnership with Eli Lilly. It’s designed for adults 55 and older who are showing early signs of cognitive decline.
“By bringing Alzheimer’s blood-based biomarker testing into primary care, we can help patients and their clinicians get answers sooner to support them earlier in their journeys,” Brad Moore, president and CEO of Roche Diagnostics North America, told CNN.
The Elecsys test measures levels of pTau181, a protein found in blood plasma. Higher levels of this protein are linked to Alzheimer’s and...
Today's Sponsors
Today's Sponsor